class Solution:

def findMaxAverage(self, nums: List[int], k: int) -> float:

result = 0

ans = float('-inf')

for i in range(len(nums)):

result += nums[i]

ans = max(ans,result/k)

left = i - k + 1

if i < k - 1:

continue

else:

result -= nums[left]

return ans

错误例子为[-6662,5432,-8558,-8935,8731,-3083,4115,9931,-4006,-3284,-3024,1714,-2825,-2374,-2750,-959,6516,9356,8040,-2169,-9490,-3068,6299,7823,-9767,5751,-7897,6680,-1293,-3486,-6785,6337,-9158,-4183,6240,-2846,-2588,-5458,-9576,-1501,-908,-5477,7596,-8863,-4088,7922,8231,-4928,7636,-3994,-243,-1327,8425,-3468,-4218,-364,4257,5690,1035,6217,8880,4127,-6299,-1831,2854,-4498,-6983,-677,2216,-1938,3348,4099,3591,9076,942,4571,-4200,7271,-6920,-1886,662,7844,3658,-6562,-2106,-296,-3280,8909,-8352,-9413,3513,1352,-8825]

90

我还以为是数组的数量不够，但统计了一下有93个